18403761

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 26982400

約数和(自身を除く): 8578639

約数列:

[1, 3, 19, 57, 61, 67, 79, 183, 201, 237, 1159, 1273, 1501, 3477, 3819, 4087, 4503, 4819, 5293, 12261, 14457, 15879, 77653, 91561, 100567, 232959, 274683, 301701, 322873, 968619, 6134587, 18403761]

約数ペア:

[(1, 18403761), (3, 6134587), (19, 968619), (57, 322873), (61, 301701), (67, 274683), (79, 232959), (183, 100567), (201, 91561), (237, 77653), (1159, 15879), (1273, 14457), (1501, 12261), (3477, 5293), (3819, 4819), (4087, 4503)]